| slovo | definícia |
tufa
(encz) | tufa, n: |
Tufa
(gcide) | Tufa \Tu"fa\, [It. fufo soft, sandy stone, L. tofus, tophus. Cf.
Tofus, Toph, and Tophin.] (Min.)
(a) A soft or porous stone formed by depositions from water,
usually calcareous; -- called also calcareous tufa.
(b) A friable volcanic rock or conglomerate, formed of
consolidated cinders, or scoria.
[1913 Webster] |
tufa
(wn) | tufa
n 1: a soft porous rock consisting of calcium carbonate
deposited from springs rich in lime [syn: tufa, {calc-
tufa}]
2: hard volcanic rock composed of compacted volcanic ash [syn:
tuff, tufa] |
| | podobné slovo | definícia |
tufa
(encz) | tufa, n: |
calcareous tufa
(gcide) | Tufa \Tu"fa\, [It. fufo soft, sandy stone, L. tofus, tophus. Cf.
Tofus, Toph, and Tophin.] (Min.)
(a) A soft or porous stone formed by depositions from water,
usually calcareous; -- called also calcareous tufa.
(b) A friable volcanic rock or conglomerate, formed of
consolidated cinders, or scoria.
[1913 Webster] |
Calc-tufa
(gcide) | Calc-tufa \Calc"-tu`fa\, n. [G. kalk (l. calx) lime + E. tufa.]
See under Calcite.
[1913 Webster] |
Estufa
(gcide) | Estufa \Es*tu"fa\, n.; pl. Estufas. [Sp., a stove, a warm
room. Cf. Stove.]
An assembly room in dwelling of the Pueblo Indians. --L. H.
Morgan.
[1913 Webster] |
Estufas
(gcide) | Estufa \Es*tu"fa\, n.; pl. Estufas. [Sp., a stove, a warm
room. Cf. Stove.]
An assembly room in dwelling of the Pueblo Indians. --L. H.
Morgan.
[1913 Webster] |
Stufa
(gcide) | Stufa \Stu"fa\, n. [It. stufa a stove. See Stove.]
A jet of steam issuing from a fissure in the earth.
[1913 Webster] |
Trap tufa
(gcide) | Trap \Trap\, n. [Sw. trapp; akin to trappa stairs, Dan. trappe,
G. treppe, D. trap; -- so called because the rocks of this
class often occur in large, tabular masses, rising above one
another, like steps. See Tramp.] (Geol.)
An old term rather loosely used to designate various
dark-colored, heavy igneous rocks, including especially the
feldspathic-augitic rocks, basalt, dolerite, amygdaloid,
etc., but including also some kinds of diorite. Called also
trap rock.
[1913 Webster]
Trap tufa, Trap tuff, a kind of fragmental rock made up
of fragments and earthy materials from trap rocks.
[1913 Webster] |
Tufaceous
(gcide) | Tufaceous \Tu*fa"ceous\, a. [Cf. It. tufaceo, L. tofaceus,
tofacius. See Tufa.] (Min.)
Pertaining to tufa; consisting of, or resembling, tufa.
[1913 Webster] |
calc-tufa
(wn) | calc-tufa
n 1: a soft porous rock consisting of calcium carbonate
deposited from springs rich in lime [syn: tufa, {calc-
tufa}] |
tufa
(wn) | tufa
n 1: a soft porous rock consisting of calcium carbonate
deposited from springs rich in lime [syn: tufa, {calc-
tufa}]
2: hard volcanic rock composed of compacted volcanic ash [syn:
tuff, tufa] |
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